Home / 85,887.24-118,530.46-47,659.02

Finding the Fourth Proportional to 85,887.24, 118,530.46 and 47,659.02

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Solution

The fourth proportional to 85,887.24, 118,530.46 and 47,659.02 is: 65,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,887.24 : 118,530.46 = 47,659.02 : x
  2. Step 2: Convert to fraction form
    85,887.24/118,530.46 = 47,659.02/x
  3. Step 3: Cross multiply
    85,887.24x = 118,530.46 × 47,659.02
  4. Step 4: Simplify right side
    85,887.24x = 5,649,045,563.75
  5. Step 5: Solve for x
    x = 5,649,045,563.75/85,887.24
  6. Step 6: Final answer
    x = 65,772.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.